In this paper, focus on vibrating problem of floor during one sedan development, the author finds out the reason lies to exhaust pipe system by road test and modal test.
针对某轿车开发过程中的地板振动问题，通过道路试验和模态试验，发现排气管的振动对地板振动影响很大，是地板振动的主要原因。
In this paper, the development process, manufacturing, formation, test, delivery and maintenance of the trains are mainly introduced.
本文主要介绍了列车的开发过程、制造、编组、试验、交车及维修。
This paper describes the development of an Expert System prototype for the reservoir model identification in well test interpretation (RMIESWT).
本文描述了试井油藏模型识别专家系统（RMIESWT）原型的研制成果。
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